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发明名称
УСТРОЙСТВО ДЛЯ СЕЛЕКТИВНОЙ ИЗОЛЯЦИИ ОБВОДНЕННЫХ ПЛАСТОВ В СКВАЖИНАХ
摘要
申请公布号
RU22966(U1)
申请公布日期
2002.05.10
申请号
RU20010129988U
申请日期
2001.11.05
申请人
Коноплев Юрий Васильевич
发明人
Коноплев Ю.В.
分类号
E21B43/22
主分类号
E21B43/22
代理机构
代理人
主权项
地址
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